About: http://webisa.webdatacommons.org/55592395

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Therefore, the first conventional high-capacity electronic switching system lacks resistance to abnormality such as failure in the central control unit 911.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com